package servlet;

import bean.Users;
import net.sf.json.JSONObject;
import service.impl.UsersServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet(urlPatterns = "/getById")
public class ShowByIdServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req,resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        UsersServiceImpl usersService = new UsersServiceImpl();
        String userId = req.getParameter("userId");
        int id = Integer.parseInt(userId);
        Users user = usersService.getUser(id);
        //将user-->json
        JSONObject jsonObject = JSONObject.fromObject(user);
        //设置编码
        resp.setContentType("text/html;charset=utf-8");
        PrintWriter writer = resp.getWriter();
        writer.println(jsonObject);



    }
}
